1213231778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1\times {\mathrm{557}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 2003496768

約数和(自身を除く): 790264990

約数列:

[1, 2, 11, 22, 181, 362, 547, 557, 1094, 1114, 1991, 3982, 6017, 6127, 12034, 12254, 99007, 100817, 198014, 201634, 304679, 609358, 1089077, 1108987, 2178154, 2217974, 3351469, 6702938, 55146899, 110293798, 606615889, 1213231778]

約数ペア:

[(1, 1213231778), (2, 606615889), (11, 110293798), (22, 55146899), (181, 6702938), (362, 3351469), (547, 2217974), (557, 2178154), (1094, 1108987), (1114, 1089077), (1991, 609358), (3982, 304679), (6017, 201634), (6127, 198014), (12034, 100817), (12254, 99007)]